It deals with educational operating systems and basics.

1. Preetha/ME/CSE/I

2.  Minix–Mini Unix (Minix) basically, a UNIX -compatible
operating system.
 Minix is small in size, with microkernel-based design.
 Minix has been kept (relatively) small and simple.
 Multitasking operating system.
 Source Code –C language
 Networking support –TCP/IP protocol
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3. • Simplicity
• Modularity
• Least Authorization
• Fault Tolerance
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4.  The figure represents the internal architecture of
Minix
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5. SETTING UP THE NAME FOR THE VIRTUAL
MACHINE:
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6. SETTING UP THE MEMORY SIZE:
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7. Creating a virtual hard drive :
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8. CHOOSE PARALLEL HARD DISK:
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9. MAKING THE REQURIED SETTINGS:
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10. EXTRACTING THE REQURIED FILE:
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11. • Setting up Minix 3.
• Select Keyboard type.
• Create or select a partition for Minix 3.
• Select a disk to install Minix 3.
• Select the size & block size.
• Select a Ethernet chip and configure network.
• Type Shutdown.
• Power off machine and remove the attachment.
• Again start the machine.
• Type the command to enter the program inside the editor.
• Finally compile and run the program.
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12. SETTING UP THE MINIX:
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13. TYPE shutdown
Press enter
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14. Power Off
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15. Preetha/ME/CSE/I

16. ENTER THE ROOT LOGIN TO START THE
MACHINE
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17. Preetha/ME/CSE/I

18. Preetha/ME/CSE/I

19. Preetha/ME/CSE/I

20. • Weenix is an operating system written for students,
by students. While it is mostly based on early
versions of Unix.
• It does incorporate many recent developments in
operating systems. Working on Weenix, students
learn to build all the pivotal parts of an working
operating system.
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21.  Intelligent multitasking
 Virtual memory
 Terminal emulation
 Advanced device support.
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22. Weenix specific Tools:
Building Weenix
Fsmaker
weenix external tools:
Bochs is the x86 emulator currently used to run Weenix.
Cscope is a great tool for code navigation.
Git is a distributed version control system which you
can use to locally version control your work on Weenix.
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23. • Install VirtualBox
• Install Ubuntu in VirtualBox
• Download weenix.zip
• Extract the weenix.zip in desktop of ubuntu.
• Install Weenix in Ubuntu
• Type the program
• Compile and run the program.
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24.  Download weenix.zip
 Copy the extracted folder to desktop of virtual machine
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25. • Go to terminal
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26.  Open the terminal
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27. Type the command
cd Desktop/weenix/user/usr/bin/
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28. o modify hello.c
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29.  eg: write(1,"welcomen",14);
 save it by clicking on save toolbar
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30.  Now go back to the terminal
 Type cc -o hello hello.c
 ./hello
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31.  Thus educational operating systems are installed and
studied successfully.
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